There are a number of sparsity related works here, including the video of an excellent Keynote talk by Randy Moses, Ohio State University on "Sparse Methods for Radar Signal Processing"

As always I would be very grateful if you could advertise this on your blog.

All the best

Mike

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Mike Davies
Professor of Signal and Image Processing
Head of Institute for Digital Communications (IDCOM) &
Director of Joint Research Institute for Signal and Image Processing
School of Engineering,
University of Edinburgh,
The King's Buildings, Mayfield Road
Edinburgh EH9 3JL